<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<script src="js/tools.js"></script>
		<script type="text/javascript">
			function $$ (id){
				return document.getElementById(id);
			}
			window.onload = function(){
				var cnv = $$("canvas");
				var cxt = cnv.getContext("2d");
				
				var txt = $$("txt");
				var mouse = tools.getMouse(cnv);
				cnv.addEventListener("mousemove",function(){
					txt.innerHTML = "鼠标指针坐标("+mouse.x+","+mouse.y+")";
				},false);
			}
		</script>
	</head>
	<body>
		<canvas id="canvas" width="200" height="150" style="border: 1px dashed gray;"></canvas>
		<p id="txt"></p>
	</body>
</html>
